blocking course造句

Below the parapet there is a blocking course and a moulded cornice.
Its seven bays are divided by square piers which support the frieze, cornice and blocking course.
The centre has an attic as its upper storey, topped by a blocking course with scrolled supports at each end.
Its Victorian south front has 5 bays repeating the design and a central porch of angle pilasters supporting entablature and blocking course, above the double door is a radiating fanlight.
It's difficult to find blocking course in a sentence. 用blocking course造句挺难的